[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [16814] branches/sim_physics/source/ blender: * New Point Density texture option: 'Object Vertices'
Matt Ebb
matt at mke3.net
Mon Sep 29 09:57:25 CEST 2008
Revision: 16814
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=16814
Author: broken
Date: 2008-09-29 09:56:41 +0200 (Mon, 29 Sep 2008)
Log Message:
-----------
* New Point Density texture option: 'Object Vertices'
This works very similarly to particles, it just uses the object's renderable vertices as the points instead.
http://mke3.net/blender/devel/rendering/volumetrics/pd_objectvertices.png
Modified Paths:
--------------
branches/sim_physics/source/blender/makesdna/DNA_texture_types.h
branches/sim_physics/source/blender/render/intern/source/pointdensity.c
branches/sim_physics/source/blender/src/buttons_shading.c
Modified: branches/sim_physics/source/blender/makesdna/DNA_texture_types.h
===================================================================
--- branches/sim_physics/source/blender/makesdna/DNA_texture_types.h 2008-09-29 07:17:12 UTC (rev 16813)
+++ branches/sim_physics/source/blender/makesdna/DNA_texture_types.h 2008-09-29 07:56:41 UTC (rev 16814)
@@ -136,12 +136,14 @@
short source;
short pdpad[3];
- struct Object *object; /* for 'Particle system' type - source object */
- short psysindex; /* and object's psys number */
- short psys_cache_space; /* cache particles in worldspace, object space, ... ? */
+ struct Object *object; /* for 'Object' or 'Particle system' type - source object */
+ short psys_cache_space; /* cache points in worldspace, object space, ... ? */
+ short psysindex; /* for 'Particle system' type - object's psys number */
- short pdpad2[2];
+ short ob_cache_space; /* cache points in worldspace, object space, ... ? */
+ short pdpad2;
+
void *point_tree; /* the kd-tree containing points */
} PointDensity;
@@ -414,9 +416,9 @@
#define TEX_PD_FILE 2
/* psys_cache_space */
-#define TEX_PD_PSYS_OBJECTLOC 0
-#define TEX_PD_PSYS_OBJECTSPACE 1
-#define TEX_PD_PSYS_WORLDSPACE 2
+#define TEX_PD_OBJECTLOC 0
+#define TEX_PD_OBJECTSPACE 1
+#define TEX_PD_WORLDSPACE 2
#endif
Modified: branches/sim_physics/source/blender/render/intern/source/pointdensity.c
===================================================================
--- branches/sim_physics/source/blender/render/intern/source/pointdensity.c 2008-09-29 07:17:12 UTC (rev 16813)
+++ branches/sim_physics/source/blender/render/intern/source/pointdensity.c 2008-09-29 07:56:41 UTC (rev 16814)
@@ -39,6 +39,7 @@
#include "DNA_particle_types.h"
#include "render_types.h"
+#include "renderdatabase.h"
#include "texture.h"
@@ -54,7 +55,6 @@
/* init crap */
if (!psys || !ob || !pd) return;
- //Mat4CpyMat4(obview, ob->obmat);
Mat4MulMat4(obview, re->viewinv, ob->obmat);
/* Just to create a valid rendering context */
@@ -71,7 +71,6 @@
/* in case ob->imat isn't up-to-date */
Mat4Invert(ob->imat, ob->obmat);
- /* finally do something */
pd->point_tree = BLI_kdtree_new(psys->totpart+psys->totchild);
if (psys->totchild > 0 && !(psys->part->draw & PART_DRAW_PARENT))
@@ -84,17 +83,17 @@
VECCOPY(partco, state.co);
- if (pd->psys_cache_space == TEX_PD_PSYS_OBJECTSPACE)
+ if (pd->psys_cache_space == TEX_PD_OBJECTSPACE)
Mat4MulVecfl(ob->imat, partco);
- else if (pd->psys_cache_space == TEX_PD_PSYS_OBJECTLOC) {
+ else if (pd->psys_cache_space == TEX_PD_OBJECTLOC) {
float obloc[3];
VECCOPY(obloc, ob->loc);
VecSubf(partco, partco, obloc);
} else {
- /* TEX_PD_PSYS_WORLDSPACE */
+ /* TEX_PD_WORLDSPACE */
}
- BLI_kdtree_insert(pd->point_tree, 0, partco, NULL);
+ BLI_kdtree_insert(pd->point_tree, i, partco, NULL);
}
}
@@ -103,6 +102,38 @@
}
+static void pointdensity_cache_object(Render *re, PointDensity *pd, ObjectRen *obr)
+{
+ int i;
+
+ if (!obr || !pd) return;
+ if(!obr->vertnodes) return;
+
+ /* in case ob->imat isn't up-to-date */
+ Mat4Invert(obr->ob->imat, obr->ob->obmat);
+
+ pd->point_tree = BLI_kdtree_new(obr->totvert);
+
+ for(i=0; i<obr->totvert; i++) {
+ float ver_co[3];
+ VertRen *ver= RE_findOrAddVert(obr, i);
+
+ VECCOPY(ver_co, ver->co);
+
+ if (pd->ob_cache_space == TEX_PD_OBJECTSPACE) {
+ Mat4MulVecfl(re->viewinv, ver_co);
+ Mat4MulVecfl(obr->ob->imat, ver_co);
+ } else {
+ /* TEX_PD_WORLDSPACE */
+ Mat4MulVecfl(re->viewinv, ver_co);
+ }
+
+ BLI_kdtree_insert(pd->point_tree, i, ver_co, NULL);
+ }
+
+ BLI_kdtree_balance(pd->point_tree);
+
+}
static void cache_pointdensity(Render *re, Tex *tex)
{
PointDensity *pd = tex->pd;
@@ -124,6 +155,22 @@
pointdensity_cache_psys(re, pd, ob, psys);
}
+ else if (pd->source == TEX_PD_OBJECT) {
+ Object *ob = pd->object;
+ ObjectRen *obr;
+ int found=0;
+
+ /* find the obren that corresponds to the object */
+ for (obr=re->objecttable.first; obr; obr=obr->next) {
+ if (obr->ob == ob) {
+ found=1;
+ break;
+ }
+ }
+ if (!found) return;
+
+ pointdensity_cache_object(re, pd, obr);
+ }
}
static void free_pointdensity(Render *re, Tex *tex)
Modified: branches/sim_physics/source/blender/src/buttons_shading.c
===================================================================
--- branches/sim_physics/source/blender/src/buttons_shading.c 2008-09-29 07:17:12 UTC (rev 16813)
+++ branches/sim_physics/source/blender/src/buttons_shading.c 2008-09-29 07:56:41 UTC (rev 16814)
@@ -763,7 +763,7 @@
uiDefBut(block, LABEL, B_NOP, "Point data source:",
X2CLM2, yco-=BUTH, BUTW2, BUTH, 0, 0, 0, 0, 0, "");
- uiDefButS(block, MENU, B_TEXREDR_PRV, "Particle System %x0",
+ uiDefButS(block, MENU, B_TEXREDR_PRV, "Particle System %x0|Object Vertices %x1",
X2CLM2, yco-=BUTH, BUTW2, BUTH, &pd->source, 0.0, 0.0, 0, 0, "Source");
yco -= YSPACE;
@@ -786,6 +786,17 @@
uiDefButS(block, MENU, B_TEXREDR_PRV, "Emit Object Location %x0|Emit Object Space %x1|Global Space %x2",
X2CLM2, yco-=BUTH, BUTW2, BUTH, &pd->psys_cache_space, 0.0, 0.0, 0, 0, "Co-ordinate system to cache particles in");
}
+ else if (pd->source == TEX_PD_OBJECT) {
+ uiDefIDPoinBut(block, test_obpoin_but, ID_OB, B_REDR, "Ob:",
+ X2CLM2, yco-=BUTH, BUTW2, BUTH, &(pd->object), "Object to render as points");
+
+ yco -= YSPACE;
+
+ uiDefBut(block, LABEL, B_NOP, "Cache vertices in:",
+ X2CLM2, yco-=BUTH, BUTW2, BUTH, 0, 0, 0, 0, 0, "");
+ uiDefButS(block, MENU, B_TEXREDR_PRV, "Object Space %x1|Global Space %x2",
+ X2CLM2, yco-=BUTH, BUTW2, BUTH, &pd->ob_cache_space, 0.0, 0.0, 0, 0, "Co-ordinate system to cache vertices in");
+ }
}
}
@@ -4310,8 +4321,6 @@
uiBlockBeginAlign(block);
uiDefButF(block, NUM, B_MATPRV, "Step Size: ",
X2CLM1, yco-=BUTH, BUTW2, BUTH, &(ma->vol_stepsize), 0.001, 100.0, 10, 2, "Ray marching step size");
- uiDefButF(block, NUMSLI, B_MATPRV, "Density: ",
- X2CLM1, yco-=BUTH, BUTW2, BUTH, &(ma->alpha), 0.0, 1.0, 0, 0, "Base opacity value");
uiDefButS(block, NUM, B_MATPRV, "Layer Depth: ",
X2CLM1, yco-=BUTH, BUTW2, BUTH, &(ma->vol_raydepth), 0.0, 512.0, 10, 2, "Number of layered volume ray intersections allowed per pixel");
uiBlockEndAlign(block);
@@ -4327,6 +4336,11 @@
yco = PANEL_YMAX;
+ uiDefButF(block, NUMSLI, B_MATPRV, "Density: ",
+ X2CLM2, yco-=BUTH, BUTW2, BUTH, &(ma->alpha), 0.0, 1.0, 0, 0, "Base opacity value");
+
+ yco -= YSPACE;
+
uiBlockBeginAlign(block);
uiDefButF(block, NUM, B_MATPRV, "Absorption: ",
X2CLM2, yco-=BUTH, BUTW2, BUTH, &(ma->vol_absorption), 0.0, 10.0, 10, 0, "Multiplier for absorption");
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